Photo examples of aborted pinheads and mushroom aborts. Usually, such shrooms and pins stop growing, and mushroom caps turn black or dark-blue. Caused by stress, poor environmental conditions, genetic issues. It's not a contamination!
Abort gallery on Shroomok
bruising dark spots (sporulation) contamination metabolites mutation overlay side & bottom pinning
Shroomok's choice on Amazon
UV Light Sanitizer - for Home and Mycolo...
Coospider 6W UV Light Ozone Free,253.7nm...
Synthetic Filter Disc for Air filter - 6...
Clear Plastic Zip Bags, 3 Assorted Sizes...
22/25 Qt. Pressure Cooker
Professional Humidifier, Fogger for Grow...
Household Sealing Machine Automatic Elec...
Calcium Hydroxide - pH Balancing Powder...
Mason Jars Wide Mouth with Lids, 32oz -...
PTFE Magnetic Stirrer Mixer Stir Bar Set...
Hoffman Canadian Sphagnum Peat Moss
Zerex Asian Vehicle Red Silicate and Bor...